53530001280 has 1024 divisors, whose sum is σ = 230119833600. Its totient is φ = 11496038400.

The previous prime is 53530001279. The next prime is 53530001323. The reversal of 53530001280 is 8210003535.

53530001280 is a `hidden beast` number, since 5 + 3 + 530 + 0 + 0 + 128 + 0 = 666.

It is a super-2 number, since 2×53530001280² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 197527545 + ... + 197527815.

It is an arithmetic number, because the mean of its divisors is an integer number (224726400).

Almost surely, 2^53530001280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53530001280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115059916800).

53530001280 is an abundant number, since it is smaller than the sum of its proper divisors (176589832320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53530001280 is a wasteful number, since it uses less digits than its factorization.

53530001280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 53530001280 in words is "fifty-three billion, five hundred thirty million, one thousand, two hundred eighty".